2023-11-20 16:46:49动物植物
“狼喜欢摘樱桃”:建模显示了它们是如何在德国重新殖民的,以及它们未来可以生活在哪里

The return of the grey wolf (Canis lupus) to Germany, which began 23 years ago in the region of Lusatia in Eastern Germany, is a process of great ecological and social significance. Therefore, a precise understanding of the recolonisation of the original

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2023-11-20 16:46:48动物植物
温度变化降低了筑巢成功率

Many songbirds are nesting earlier in spring because of warmer temperatures brought about by climate change. But the shift brings another danger that is especially deadly for nestlings: greater exposure to temperature variability in the form of cold snaps

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2023-11-20 16:46:48动物植物
新的全球评估:健康的森林可以储存更多的碳

Natural carbon reservoirs will play a major role at the COP28 world climate conference in the United Arab Emirates. After oceans and soils, forests are the largest "sinks" for carbon, i.e. they absorb an enormous amount of carbon dioxide from the atmosp

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2023-11-20 16:46:47动物植物
细胞分裂时如何保持细胞身份

Every cell in the human body contains the same genetic instructions, encoded in its DNA. However, out of about 30,000 genes, each cell expresses only those genes that it needs to become a nerve cell, immune cell, or any of the other hundreds of cell types

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2023-11-20 16:46:47动物植物
不仅仅是废物:微小的囊泡在海洋中的细胞之间交换遗传信息

There is a lively exchange of genetic information between the numerous microorganisms in the oceans. This so-called horizontal gene transfer (HGT) is crucial for the evolution of many organisms and is, for example, also the most important mechanism for th

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2023-11-20 16:46:46动物植物
帮助分析单细胞数据的新方法

CITE-seq (cellular indexing of transcriptomes and epitopes) is an RNA sequencing-based method that simultaneously quantifies cell surface protein and transcriptomic data within a single cell readout. The ability to study cells concurrently offers unpreced

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2023-11-20 16:46:46动物植物
研究提出了识别关键微生物物种的新框架

Microbial communities are thought to contain keystone species, which can disproportionately affect the stability of the communities, even if only present in low abundances. Identifying these keystone species can be challenging, especially in the human gut

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2023-11-20 16:46:46动物植物
基因组拉锯战可能促进癌症治疗

Some patients with myelodysplastic syndromes, like acute myeloid leukemia, benefit from a chemotherapy drug called decitabine that stunts cancer growth. But many others are resistant to decatibine's effects or become resistant over time. Wilmot Cancer In

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2023-11-20 16:46:45动物植物
研究揭示了营养不良与抗生素耐药性上升之间惊人的联系

University of B.C. researchers have uncovered startling connections between micronutrient deficiencies and the composition of gut microbiomes in early life that could help explain why resistance to antibiotics has been rising across the globe.

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2023-11-20 16:46:45动物植物
根据对旧冰芯的最新研究,北大西洋的海洋生产力可能不会下降

To paraphrase Mark Twain, reports of declining phytoplankton in the North Atlantic may have been greatly exaggerated. A prominent 2019 study used ice cores in Antarctica to suggest that marine productivity in the North Atlantic had declined by 10% during

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2023-11-20 16:46:44动物植物
自然摄影师在社交媒体上发帖帮助保护生物多样性

Nature photographers posting to social media are helping improve biodiversity conservation mapping in South Asia, and the method could go global.

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2023-11-20 16:46:44动物植物
罕见海洋变形虫Rhabdamoeba marina的再发现

Researchers at the University of Tsukuba have rediscovered and successfully cultivating Rhabdamoeba marina -- a rare marine amoeba that has only been reported in two cases in the past century. Using this culture strain, they performed a comprehen

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